Forums > Education > GAT Preparation Questions!
tariqjavaid


Age: 61 Male
4828 days old here
Total Posts: 5615
Points : 209

Location:
Quetta, Pakistan

Status : Offline
Subject : GAT Preparation Questions!
If the average (arithmetic mean) of x and y is 60 and the average (arithmetic mean) of y and z is 80, what is the value of z - x?
A. 70
B. 40
C. 20
D. 10
E. It Cannot Be Determined From The Information Given.

no likes.

Posted on July, 03 2013 01:08:44 PM